1 files changed, 0 insertions, 173 deletions

diff --git a/ANDROID_3.4.5/drivers/i2c/muxes/gpio-i2cmux.c b/ANDROID_3.4.5/drivers/i2c/muxes/gpio-i2cmux.c
deleted file mode 100644
index e5fa695e..00000000
--- a/ANDROID_3.4.5/drivers/i2c/muxes/gpio-i2cmux.c
+++ /dev/null
@@ -1,173 +0,0 @@
-/*
- * I2C multiplexer using GPIO API
- *
- * Peter Korsgaard <peter.korsgaard@barco.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/i2c.h>
-#include <linux/i2c-mux.h>
-#include <linux/gpio-i2cmux.h>
-#include <linux/platform_device.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/gpio.h>
-
-struct gpiomux {
-	struct i2c_adapter *parent;
-	struct i2c_adapter **adap; /* child busses */
-	struct gpio_i2cmux_platform_data data;
-};
-
-static void gpiomux_set(const struct gpiomux *mux, unsigned val)
-{
-	int i;
-
-	for (i = 0; i < mux->data.n_gpios; i++)
-		gpio_set_value(mux->data.gpios[i], val & (1 << i));
-}
-
-static int gpiomux_select(struct i2c_adapter *adap, void *data, u32 chan)
-{
-	struct gpiomux *mux = data;
-
-	gpiomux_set(mux, mux->data.values[chan]);
-
-	return 0;
-}
-
-static int gpiomux_deselect(struct i2c_adapter *adap, void *data, u32 chan)
-{
-	struct gpiomux *mux = data;
-
-	gpiomux_set(mux, mux->data.idle);
-
-	return 0;
-}
-
-static int __devinit gpiomux_probe(struct platform_device *pdev)
-{
-	struct gpiomux *mux;
-	struct gpio_i2cmux_platform_data *pdata;
-	struct i2c_adapter *parent;
-	int (*deselect) (struct i2c_adapter *, void *, u32);
-	unsigned initial_state;
-	int i, ret;
-
-	pdata = pdev->dev.platform_data;
-	if (!pdata) {
-		dev_err(&pdev->dev, "Missing platform data\n");
-		return -ENODEV;
-	}
-
-	parent = i2c_get_adapter(pdata->parent);
-	if (!parent) {
-		dev_err(&pdev->dev, "Parent adapter (%d) not found\n",
-			pdata->parent);
-		return -ENODEV;
-	}
-
-	mux = kzalloc(sizeof(*mux), GFP_KERNEL);
-	if (!mux) {
-		ret = -ENOMEM;
-		goto alloc_failed;
-	}
-
-	mux->parent = parent;
-	mux->data = *pdata;
-	mux->adap = kzalloc(sizeof(struct i2c_adapter *) * pdata->n_values,
-			    GFP_KERNEL);
-	if (!mux->adap) {
-		ret = -ENOMEM;
-		goto alloc_failed2;
-	}
-
-	if (pdata->idle != GPIO_I2CMUX_NO_IDLE) {
-		initial_state = pdata->idle;
-		deselect = gpiomux_deselect;
-	} else {
-		initial_state = pdata->values[0];
-		deselect = NULL;
-	}
-
-	for (i = 0; i < pdata->n_gpios; i++) {
-		ret = gpio_request(pdata->gpios[i], "gpio-i2cmux");
-		if (ret)
-			goto err_request_gpio;
-		gpio_direction_output(pdata->gpios[i],
-				      initial_state & (1 << i));
-	}
-
-	for (i = 0; i < pdata->n_values; i++) {
-		u32 nr = pdata->base_nr ? (pdata->base_nr + i) : 0;
-
-		mux->adap[i] = i2c_add_mux_adapter(parent, mux, nr, i,
-						   gpiomux_select, deselect);
-		if (!mux->adap[i]) {
-			ret = -ENODEV;
-			dev_err(&pdev->dev, "Failed to add adapter %d\n", i);
-			goto add_adapter_failed;
-		}
-	}
-
-	dev_info(&pdev->dev, "%d port mux on %s adapter\n",
-		 pdata->n_values, parent->name);
-
-	platform_set_drvdata(pdev, mux);
-
-	return 0;
-
-add_adapter_failed:
-	for (; i > 0; i--)
-		i2c_del_mux_adapter(mux->adap[i - 1]);
-	i = pdata->n_gpios;
-err_request_gpio:
-	for (; i > 0; i--)
-		gpio_free(pdata->gpios[i - 1]);
-	kfree(mux->adap);
-alloc_failed2:
-	kfree(mux);
-alloc_failed:
-	i2c_put_adapter(parent);
-
-	return ret;
-}
-
-static int __devexit gpiomux_remove(struct platform_device *pdev)
-{
-	struct gpiomux *mux = platform_get_drvdata(pdev);
-	int i;
-
-	for (i = 0; i < mux->data.n_values; i++)
-		i2c_del_mux_adapter(mux->adap[i]);
-
-	for (i = 0; i < mux->data.n_gpios; i++)
-		gpio_free(mux->data.gpios[i]);
-
-	platform_set_drvdata(pdev, NULL);
-	i2c_put_adapter(mux->parent);
-	kfree(mux->adap);
-	kfree(mux);
-
-	return 0;
-}
-
-static struct platform_driver gpiomux_driver = {
-	.probe	= gpiomux_probe,
-	.remove	= __devexit_p(gpiomux_remove),
-	.driver	= {
-		.owner	= THIS_MODULE,
-		.name	= "gpio-i2cmux",
-	},
-};
-
-module_platform_driver(gpiomux_driver);
-
-MODULE_DESCRIPTION("GPIO-based I2C multiplexer driver");
-MODULE_AUTHOR("Peter Korsgaard <peter.korsgaard@barco.com>");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:gpio-i2cmux");